Elements Of Remote Sensing Which one of the following quantities forms the basis of radiometry? All of these Radiant intensity (I) Radiant energy (Q) Radiant flux (φ) All of these Radiant intensity (I) Radiant energy (Q) Radiant flux (φ) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing ‘A’ and ‘B’ are two towers of equal height diametrically opposite on either side of the nadir point, at 3 km and 5 km distances. Which one of the following statements is correct? Height displacement of B will be less than that of A Height displacement of A will be less than that of B Height displacement of A and B will be towards each other Height displacement of A and B is equal Height displacement of B will be less than that of A Height displacement of A will be less than that of B Height displacement of A and B will be towards each other Height displacement of A and B is equal ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called: None of these Passive sensors Active sensors Sensors None of these Passive sensors Active sensors Sensors ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target, Increases the contrast of the image but reduces the sharpness Reduces the contrast of the image and also its sharpness Increases both the contrast and sharpness Reduces the contrast but increases the sharpness Increases the contrast of the image but reduces the sharpness Reduces the contrast of the image and also its sharpness Increases both the contrast and sharpness Reduces the contrast but increases the sharpness ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Spatial variation in horizontal and vertical directions is caused due to: All of these Physical weathering of rocks Biological weathering of rocks Chemical weathering of rocks All of these Physical weathering of rocks Biological weathering of rocks Chemical weathering of rocks ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing "An Electromagnetic wave falls on to a boundary between two losses less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted on to the second media". This phenomenon is known as: Fresnel refraction Snell's law Fresnel reflection None of these Fresnel refraction Snell's law Fresnel reflection None of these ANSWER DOWNLOAD EXAMIANS APP
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